diff options
Diffstat (limited to 'newlib/libc/sys/linux/linuxthreads/td_ta_thr_iter.c')
| -rw-r--r-- | newlib/libc/sys/linux/linuxthreads/td_ta_thr_iter.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/newlib/libc/sys/linux/linuxthreads/td_ta_thr_iter.c b/newlib/libc/sys/linux/linuxthreads/td_ta_thr_iter.c deleted file mode 100644 index a77186d22..000000000 --- a/newlib/libc/sys/linux/linuxthreads/td_ta_thr_iter.c +++ /dev/null @@ -1,142 +0,0 @@ -/* Iterate over a process's threads. - Copyright (C) 1999, 2000 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include "thread_dbP.h" -#include <alloca.h> - -static int -handle_descr (const td_thragent_t *ta, td_thr_iter_f *callback, - void *cbdata_p, td_thr_state_e state, int ti_pri, - size_t cnt, pthread_descr descr) -{ - struct _pthread_descr_struct pds; - size_t sizeof_descr = ta->sizeof_descr; - td_thrhandle_t th; - - if (ps_pdread (ta->ph, descr, &pds, sizeof_descr) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - - /* The manager thread must be handled special. The descriptor - exists but the thread only gets created when the first - `pthread_create' call is issued. A clear indication that this - happened is when the p_pid field is non-zero. */ - if (cnt == 1 && pds.p_pid == 0) - return TD_OK; - - /* Now test whether this thread matches the specified - conditions. */ - - /* Only if the priority level is as high or higher. */ - if (pds.p_priority < ti_pri) - return TD_OK; - - /* Test the state. - XXX This is incomplete. */ - if (state != TD_THR_ANY_STATE) - return TD_OK; - - /* XXX For now we ignore threads which are not running anymore. - The reason is that gdb tries to get the registers and fails. - In future we should have a special mode of the thread library - in which we keep the process around until the actual join - operation happened. */ - if (pds.p_exited != 0) - return TD_OK; - - /* Yep, it matches. Call the callback function. */ - th.th_ta_p = (td_thragent_t *) ta; - th.th_unique = descr; - if (callback (&th, cbdata_p) != 0) - return TD_DBERR; - - /* All done successfully. */ - return TD_OK; -} - - -td_err_e -td_ta_thr_iter (const td_thragent_t *ta, td_thr_iter_f *callback, - void *cbdata_p, td_thr_state_e state, int ti_pri, - sigset_t *ti_sigmask_p, unsigned int ti_user_flags) -{ - int pthread_threads_max; - struct pthread_handle_struct *phc; - td_err_e result = TD_OK; - int cnt; -#ifdef ALL_THREADS_STOPPED - int num; -#else -# define num 1 -#endif - - LOG ("td_ta_thr_iter"); - - /* Test whether the TA parameter is ok. */ - if (! ta_ok (ta)) - return TD_BADTA; - - pthread_threads_max = ta->pthread_threads_max; - phc = (struct pthread_handle_struct *) alloca (sizeof (phc[0]) - * pthread_threads_max); - - /* First read only the main thread and manager thread information. */ - if (ps_pdread (ta->ph, ta->handles, phc, - sizeof (struct pthread_handle_struct) * 2) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - - /* Now handle these descriptors. */ - result = handle_descr (ta, callback, cbdata_p, state, ti_pri, 0, - phc[0].h_descr); - if (result != TD_OK) - return result; - result = handle_descr (ta, callback, cbdata_p, state, ti_pri, 1, - phc[1].h_descr); - if (result != TD_OK) - return result; - - /* Read all the descriptors. */ - if (ps_pdread (ta->ph, ta->handles + 2, &phc[2], - (sizeof (struct pthread_handle_struct) - * (pthread_threads_max - 2))) != PS_OK) - return TD_ERR; /* XXX Other error value? */ - -#ifdef ALL_THREADS_STOPPED - /* Read the number of currently active threads. */ - if (ps_pdread (ta->ph, ta->pthread_handles_num, &num, sizeof (int)) != PS_OK) - return TD_ERR; /* XXX Other error value? */ -#endif - - /* Now get all descriptors, one after the other. */ - for (cnt = 2; cnt < pthread_threads_max && num > 0; ++cnt) - if (phc[cnt].h_descr != NULL) - { -#ifdef ALL_THREADS_STOPPED - /* First count this active thread. */ - --num; -#endif - - result = handle_descr (ta, callback, cbdata_p, state, ti_pri, cnt, - phc[cnt].h_descr); - if (result != TD_OK) - break; - } - - return result; -} |